Effectiveness of query expansion in ranked-output document retrieval systems.
F. Çuna EkmekçiogluAlexander M. RobertsonPeter WillettPublished in: J. Inf. Sci. (1992)
Keyphrases
- query expansion
- information retrieval systems
- retrieval effectiveness
- information retrieval
- language model
- pseudo relevance feedback
- retrieved documents
- query expansion methods
- language modeling
- relevant documents
- retrieval model
- relevance feedback
- text retrieval
- automatic query expansion
- improving search
- ad hoc retrieval
- original query
- implicit relevance feedback
- vocabulary mismatch
- query disambiguation
- query specific
- learning algorithm
- trec collections
- ranking scheme
- short queries
- query translation
- ranked retrieval
- model for information retrieval
- query terms
- active learning
- biomedical information retrieval
- web pages